Finding the Fourth Proportional to 3,964,992.88, 5,471,906.45 and 2,246,448.28
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Solution
The fourth proportional to 3,964,992.88, 5,471,906.45 and 2,246,448.28 is: 3,100,221.16
Step by Step Solution
- Step 1: Write the proportion equation
3,964,992.88 : 5,471,906.45 = 2,246,448.28 : x - Step 2: Convert to fraction form
3,964,992.88/5,471,906.45 = 2,246,448.28/x - Step 3: Cross multiply
3,964,992.88x = 5,471,906.45 × 2,246,448.28 - Step 4: Simplify right side
3,964,992.88x = 12,292,354,832,923.41 - Step 5: Solve for x
x = 12,292,354,832,923.41/3,964,992.88 - Step 6: Final answer
x = 3,100,221.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.